Implacable Im Plak Uh Buhl Play Kuh Adjective Impossible Pacify Appease Latin

adjective

Impossible to pacify or appease.

[From Latin placare (to quiet or appease). Ultimately from the Indo-European root plak- (to be flat), which is also the source of fluke, flake, flaw, plead, please, supple, supplicatory, and archipelago. Earliest documented use: 1522.]

"Big issues that pit a single, powerless individual against a vast, implacable adversary have inspired some of his most memorable novels." - Bill Sheehan; Grisham's Latest; The Washington Post; Oct 23, 2012.